Cooling Program Description; Cooling Operating Mode; Activation Of Cooling Functions; Deactivation Of Circulating Pumps In Cooling Operation - Dimplex WPM 2006 plus Instructions De Montage Et De Service

12.4

12.4 Cooling Program Description

12.4.1 Cooling operating mode

The cooling functions are manually activated as operating mode
6. There is no automatic switching between heating and cooling
operation. External switching is possible via the input ID12.
The "Cooling" operating mode can only be activated if the
cooling function (active or passive) has been enabled in the
preconfiguration.

12.4.2 Activation of cooling functions

Special regulatory functions are performed when cooling
operation is activated. The cooling controller assumes these
cooling functions independently of the remaining regulatory
functions.
The cooling functions can fail to activate due to the following
reasons:
The external temperature is below 3 °C (danger of frost)
The external temperature is below 15 °C (air-to-water heat
pumps)

12.4.3 Deactivation of circulating pumps in cooling operation

In the case of a heat pump heating system with two heating
circuits, the heat circulating pump of heating circuits 1 or 2 can
be deactivated in cooling operation.
The heat circulating pump of heating circuit 1 (M14) is not active
in cooling operation if silent cooling only is configured.
The heat circulating pump of heating circuit 2 (M15) is not active
in cooling operation if silent cooling only is configured.
Passive cooling
The cooling system can be supplied using either the existing heat
circulating pump (M13) or an additional cooling circulating pump
(M17).

12.4.4 Silent and dynamic cooling

Different system configurations can be implemented according to
each integration diagram:
Dynamic cooling only (e.g. fan convectors)
Regulation according to a fixed setpoint. Adjust the return
set temperature in the settings menu item.
Silent cooling only (e.g. underfloor heating, wall panel
heating or cooled ceilings)
Regulation according to the room temperature. Regulation is
based on the temperature in the room where the room
climate control station 1 is connected according to the circuit
diagram. Set the desired room temperature in the settings
menu item.

12.5 Regulation of the Room Temperature

Heating systems are normally equipped with an automatic
mechanism for separately regulating the room temperature in
each room.
The room thermostats measure the current temperature in
heating operation. If the current temperature undershoots the set
temperature, the thermostats activate the regulating device (e.g.
actuator).
EN-34
Switching off the generation of cold
The following limits are provided as safeguards:
The flow temperature falls below a value of 7 °C
Activation of the dew point monitor at vulnerable points in
the cooling system
The dew point is reached with silent cooling only
There is no cooling controller fitted or the connection is
broken
Neither silent or dynamic cooling was selected with "Yes" in
the settings
In all these cases, the cooling operating mode will remain active.
However, the regulation system responds as in the summer
operating mode.
The heat circulating pump can also be used in cooling operation
as delivered.
If an additional cooling pump (e.g. 4-pipe system) is used, the
heat circulating pump must be deactivated in cooling operation.
This is done by inserting a cable bridge A5 between the terminals
X2 and ID8 on the passive cooling controller N6.
NOTE
The cooling circulating pump (M17) operates continuously in the
"Cooling" operating mode.
Combination of dynamic and silent cooling
Regulation is carried out separately in two different control
circuits.
The dynamic circuit is regulated according to a fixed setpoint
(as described for dynamic cooling).
Silent cooling is regulated on the basis of the room
temperature (as described for silent cooling) by controlling
the mixer for heating circuit 2 (silent heating and cooling
circuit).
Make selections in the menu item "Settings – Cooling".
In cooling operation, the room thermostats must be either
deactivated or replaced with units which are suitable for both
heating and cooling.
The room thermostat responds inversely in cooling operation. If
the set temperature exceeds the current temperature, the
regulating device is activated.